Home / 8,155.96-12,235.04-2,963.32

Finding the Fourth Proportional to 8,155.96, 12,235.04 and 2,963.32

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Solution

The fourth proportional to 8,155.96, 12,235.04 and 2,963.32 is: 4,445.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.96 : 12,235.04 = 2,963.32 : x
  2. Step 2: Convert to fraction form
    8,155.96/12,235.04 = 2,963.32/x
  3. Step 3: Cross multiply
    8,155.96x = 12,235.04 × 2,963.32
  4. Step 4: Simplify right side
    8,155.96x = 36,256,338.73
  5. Step 5: Solve for x
    x = 36,256,338.73/8,155.96
  6. Step 6: Final answer
    x = 4,445.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.